UTF8 letters are imaged incorrectly (PR#8770)

It work, thanks for your help!

 If an error is not given by a locale command, I think that local
setting of glibc does not have any problem.
 I think that there is not problem if  add encoding of koi8-r to
XLC_LOCALE file.

I am not readable, but probably the following URL is useful.
http://ru.gentoo-wiki.com/HOWTO_ru_RU.utf8_Gentoo_way